| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * fan53555.h - Fairchild Regulator FAN53555 Driver |
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| 4 | * |
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| 5 | * Copyright (C) 2012 Marvell Technology Ltd. |
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| 6 | * Yunfan Zhang <yfzhang@marvell.com> |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef __FAN53555_H__ |
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| 10 | #define __FAN53555_H__ |
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| 11 | |
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| 12 | /* VSEL ID */ |
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| 13 | enum { |
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| 14 | FAN53555_VSEL_ID_0 = 0, |
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| 15 | FAN53555_VSEL_ID_1, |
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| 16 | }; |
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| 17 | |
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| 18 | /* Transition slew rate limiting from a low to high voltage. |
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| 19 | * ----------------------- |
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| 20 | * Bin |Slew Rate(mV/uS) |
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| 21 | * ------|---------------- |
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| 22 | * 000 | 64.00 |
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| 23 | * ------|---------------- |
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| 24 | * 001 | 32.00 |
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| 25 | * ------|---------------- |
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| 26 | * 010 | 16.00 |
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| 27 | * ------|---------------- |
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| 28 | * 011 | 8.00 |
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| 29 | * ------|---------------- |
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| 30 | * 100 | 4.00 |
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| 31 | * ------|---------------- |
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| 32 | * 101 | 2.00 |
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| 33 | * ------|---------------- |
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| 34 | * 110 | 1.00 |
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| 35 | * ------|---------------- |
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| 36 | * 111 | 0.50 |
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| 37 | * ----------------------- |
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| 38 | */ |
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| 39 | enum { |
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| 40 | FAN53555_SLEW_RATE_64MV = 0, |
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| 41 | FAN53555_SLEW_RATE_32MV, |
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| 42 | FAN53555_SLEW_RATE_16MV, |
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| 43 | FAN53555_SLEW_RATE_8MV, |
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| 44 | FAN53555_SLEW_RATE_4MV, |
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| 45 | FAN53555_SLEW_RATE_2MV, |
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| 46 | FAN53555_SLEW_RATE_1MV, |
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| 47 | FAN53555_SLEW_RATE_0_5MV, |
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| 48 | }; |
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| 49 | |
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| 50 | struct fan53555_platform_data { |
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| 51 | struct regulator_init_data *regulator; |
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| 52 | unsigned int slew_rate; |
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| 53 | /* Sleep VSEL ID */ |
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| 54 | unsigned int sleep_vsel_id; |
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| 55 | }; |
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| 56 | |
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| 57 | #endif /* __FAN53555_H__ */ |
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| 58 | |
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